A comparison of four commercially available RNA extraction kits for wastewater surveillance of SARS-CoV-2 in a college population

processing times between approximately 9 and 9.5 h. Based on the current research, the most effective kits for smaller population densities are pellet based and include a homogenization, inhibitor removal, and RNA preser-vation step. (c) 2021 Elsevier B.V. All rights reserved.